Parse named metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index c9b2821..4a7e123 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -253,7 +253,7 @@
case ';':
SkipLineComment();
return LexToken();
- case '!': return lltok::Metadata;
+ case '!': return LexMetadata();
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case '-':
@@ -421,7 +421,23 @@
return false;
}
+/// LexMetadata:
+/// !{...}
+/// !42
+/// !foo
+lltok::Kind LLLexer::LexMetadata() {
+ if (isalpha(CurPtr[0])) {
+ ++CurPtr;
+ while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
+ CurPtr[0] == '.' || CurPtr[0] == '_')
+ ++CurPtr;
+ StrVal.assign(TokStart+1, CurPtr); // Skip !
+ return lltok::NamedMD;
+ }
+ return lltok::Metadata;
+}
+
/// LexIdentifier: Handle several related productions:
/// Label [-a-zA-Z$._0-9]+:
/// IntegerType i[0-9]+